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Isolation, identification and odour-producing abilities of geosmin/2-MIB in actinomycetes from sediments in Lake Lotus, China
Zuo, Yanxia1,2; Li, Lin1; Wu, Zongxing1; Song, Lirong1
2009
Source PublicationJOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA
ISSN0003-7214
Volume58Issue:8Pages:552-561
AbstractThis study aimed to determine whether actinomycetes could contribute to the odours occurring in Lake Lotus, China. In total, 55 actinomycete strains were isolated from sediments in Lake Lotus and their odorous metabolites, geosmin and 2-methylisoborneol (2-MIB), were identified using HSPME-GC-MS. Results showed that 24, 23 and 34 strains produced geosmin and/or 2-MIB in Gause, TSB and M liquid media, respectively. Of odour-producing actinomycetes, most could produce geosmin and some produced both metabolites, while few of them produced only 2-MIB. Six isolates with high-level odour were selected for further investigation. Their biomass and odour-producing abilities were monitored in both the slants and liquid media. The results suggest that TSB was the most suitable medium for the growth of mycelium; Gause and M slant supported good production of spores, while M liquid medium was the most favourable for the production of both geosmin and 2-MIB. Those strains that produced geosmin only were less influenced than those that produced both geosmin and 2-MIB under shaking conditions. The results indicate that actinomycetes from sediments should be taken into consideration when off-flavours occur in water columns. According to the 16S rRNA sequences, six actinomycetes were classified in the Streptomyces.
SubtypeArticle
KeywordActinomycete Geosmin Off-flavour 2-methylisoborneol
DOI10.2166/aqua.2009.018
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI ; ISTP
Language英语
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Civil ; Water Resources
WOS KeywordDRINKING-WATER ; MUSTY ODOR ; STREPTOMYCES-HALSTEDII ; IN-SOURCE ; 2-METHYLISOBORNEOL ; DEGRADATION ; BIOSYNTHESIS ; MIB ; CYANOBACTERIA ; (-)-GEOSMIN
WOS IDWOS:000273615600005
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/27377
Collection藻类生物学及应用研究中心
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zuo, Yanxia,Li, Lin,Wu, Zongxing,et al. Isolation, identification and odour-producing abilities of geosmin/2-MIB in actinomycetes from sediments in Lake Lotus, China[J]. JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA,2009,58(8):552-561.
APA Zuo, Yanxia,Li, Lin,Wu, Zongxing,&Song, Lirong.(2009).Isolation, identification and odour-producing abilities of geosmin/2-MIB in actinomycetes from sediments in Lake Lotus, China.JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA,58(8),552-561.
MLA Zuo, Yanxia,et al."Isolation, identification and odour-producing abilities of geosmin/2-MIB in actinomycetes from sediments in Lake Lotus, China".JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA 58.8(2009):552-561.
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